fix dynamic engine build

[fio.git] / steadystate.c

diff --git a/steadystate.c b/steadystate.c
index 1e3a546896ad8b1379368019272ba3ab11b6284f..2e3da1db0cfb3de21c068d6b6f3d159f71c592ad 100644 (file)
--- a/steadystate.c
+++ b/steadystate.c
@@ -196,7 +196,7 @@ static bool steadystate_deviation(uint64_t iops, uint64_t bw,
        return false;
 }
 
-void steadystate_check(void)
+int steadystate_check(void)
 {
        int i, j, ddir, prev_groupid, group_ramp_time_over = 0;
        unsigned long rate_time;
@@ -208,6 +208,7 @@ void steadystate_check(void)
 
        prev_groupid = -1;
        for_each_td(td, i) {
+               const bool needs_lock = td_async_processing(td);
                struct steadystate_data *ss = &td->ss;
 
                if (!ss->dur || td->runstate <= TD_SETTING_UP ||
@@ -235,12 +236,16 @@ void steadystate_check(void)
                                ss->state |= FIO_SS_RAMP_OVER;
                }
 
-               td_io_u_lock(td);
+               if (needs_lock)
+                       __td_io_u_lock(td);
+
                for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
                        td_iops += td->io_blocks[ddir];
                        td_bytes += td->io_bytes[ddir];
                }
-               td_io_u_unlock(td);
+
+               if (needs_lock)
+                       __td_io_u_unlock(td);
 
                rate_time = mtime_since(&ss->prev_time, &now);
                memcpy(&ss->prev_time, &now, sizeof(now));
@@ -297,6 +302,7 @@ void steadystate_check(void)
                        }
                }
        }
+       return 0;
 }
 
 int td_steadystate_init(struct thread_data *td)
@@ -350,6 +356,9 @@ uint64_t steadystate_bw_mean(struct thread_stat *ts)
        int i;
        uint64_t sum;
 
+       if (!ts->ss_dur)
+               return 0;
+
        for (i = 0, sum = 0; i < ts->ss_dur; i++)
                sum += ts->ss_bw_data[i];
 
@@ -361,6 +370,9 @@ uint64_t steadystate_iops_mean(struct thread_stat *ts)
        int i;
        uint64_t sum;
 
+       if (!ts->ss_dur)
+               return 0;
+
        for (i = 0, sum = 0; i < ts->ss_dur; i++)
                sum += ts->ss_iops_data[i];